US6404981B1 - Data recording apparatus and camera apparatus - Google Patents

Data recording apparatus and camera apparatus Download PDF

Info

Publication number
US6404981B1
US6404981B1 US09/090,289 US9028998A US6404981B1 US 6404981 B1 US6404981 B1 US 6404981B1 US 9028998 A US9028998 A US 9028998A US 6404981 B1 US6404981 B1 US 6404981B1
Authority
US
United States
Prior art keywords
recording
data
impact
disc
casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US09/090,289
Other languages
English (en)
Inventor
Atsuhiro Kumagai
Satoshi Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Assigned to SONY CORPORATION reassignment SONY CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KATO, SATOSHI, KUMAGAI, ATSUHIRO
Application granted granted Critical
Publication of US6404981B1 publication Critical patent/US6404981B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
    • H04N5/772—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera the recording apparatus and the television camera being placed in the same enclosure
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/041—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs contained within cartridges
    • G11B17/043—Direct insertion, i.e. without external loading means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H04N9/8047—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using transform coding

Definitions

  • This invention relates to a data recording apparatus and a camera apparatus used with advantage for digitizing and recording a picture.
  • a servo pattern on the hard disc surface, such that detracking is found to have occurred as a result of disengagement of the tracking servo.
  • the device itself can inherently detect such detracking.
  • the present invention provides a portable data recording device for recording data on a disc-shaped recording medium including recording means for recording data on the disc-shaped recording medium without employing tracking servo provided in the inside of a casing, an acceleration sensor for detecting an impact applied to the casing and control means for controlling the recording means for discontinuing data recording on the disc-shaped recording medium if an impact exceeding a pre-set value is detected based on detection results from the acceleration sensor.
  • the present invention provides a camera device for recording data on a disc-shaped recording medium including recording means for recording data on the disc-shaped recording medium without employing tracking servo provided in the inside of a casing, an acceleration sensor for detecting an impact applied to the casing and control means for controlling the recording means for discontinuing data recording on the disc-shaped recording medium if an impact exceeding a pre-set value is detected based on detection results from the acceleration sensor.
  • the camera device of the present invention by discontinuing data recording on the disc-shaped recording medium on detection by the acceleration sensor of an impact exceeding a pre-set value in the camera device of the present invention, it becomes possible to prevent destruction of recorded data on the disc-shaped recording medium and failure in recording.
  • the recorded data can be protected against impact, while the failure of recording can be eliminated.
  • FIG. 1 is a perspective view from the front side for illustrating the structure of the digital camera apparatus embodying the present invention.
  • FIG. 2 is a perspective view from the back side for illustrating the structure of the digital camera apparatus.
  • FIG. 3 is a block diagram for illustrating the circuit structure of the digital camera device.
  • FIG. 4 is similarly a block diagram for illustrating the circuit structure of the digital camera device.
  • FIG. 5 is an exploded perspective view for illustrating the mechanical structure of the digital camera apparatus.
  • FIG. 6 is a diagrammatic view showing the mounting angle on the circuit substrate of an acceleration sensor.
  • FIG. 7 illustrates the mounting state of the circuit substrate and the floppy disc drive on the chassis looking from a cartridge inserting opening.
  • FIG. 8 is a see-through perspective view for illustrating the structure of the acceleration sensor.
  • FIG. 9 illustrates the operation of the acceleration sensor in case of impact application.
  • FIG. 10 illustrates the structure of a magnetic head arranged in the inside of the casing of the floppy disc drive.
  • FIG. 11 is a timing chart for illustrating the operation of the acceleration sensor, flip-flop, AND gate, micro-computer and the floppy disc and the processing of recorded data.
  • a digital camera device 1 embodying the present invention, is of a portable size and a substantially parallelepipedic shape, as shown in FIG. 1 showing the appearance of the device from the front side.
  • a shutter button 3 In the present digital camera device 1 , a shutter button 3 , an objective lens 4 and a flash device 5 are mounted on an upper portion of a casing 2 .
  • the shutter button 3 can be pressed with an index finger of the user's right hand.
  • a floppy disc cartridge 8 holding a floppy magnetic disc 9 of the size of 3.5 inch can be loaded into the inside of the casing 2 .
  • This floppy magnetic disc 9 is referred to herein simply as a magnetic disc 9 .
  • a floppy disc drive 32 which will be explained subsequently in detail.
  • the floppy disc cartridge 8 is inserted via a cartridge inserting opening 32 a of the floppy disc drive 32 from the side of a shutter 8 a.
  • a Liquid Crystal Display panel (LCD panel) 11 On the back side of the casing 2 of the digital camera device 1 is mounted a Liquid Crystal Display panel (LCD panel) 11 on which an object is displayed during photographing. If, in the digital camera device 1 , the object is photographed by pressing the shutter button 3 , there are recorded on a magnetic disc 9 in the floppy disc cartridge 8 loaded on the floppy disc drive 32 picture data of the object (main picture data) and thumbnail picture data operating as an index for the main picture data,
  • thumbnail picture for thumbnail picture data recorded on the magnetic disc 9 is displayed for a pre-set number of pictures, such as six pictures, on the LCD display 11 . If a particular one of the thumbnail pictures is designated, the main picture data corresponding to the thumbnail picture are read out from the magnetic disc 9 so as to be displayed n the LCD panel 11 .
  • the digital camera device 1 can erase unneeded main picture data and the thumbnail picture data recorded on the magnetic disc 9 or change the arraying manner of the thumbnail pictures displayed on the LCD panel 11 , by way of a variety of editing operations.
  • buttons/switches 12 a, 12 b, 12 c, 12 d, 12 e, 12 f and 12 g are arranged around the LCD panel 11 .
  • zooming during photographing, designation of particular thumbnail pictures during reproduction or data erasure can be performed by way of editing operations.
  • the opening/closure of the opening/closing lid 7 can be achieved by vertically moving an opening/closure actuator 13 for canceling or holding the engaged state of engagement pawls 14 a, 14 b interlocked with the opening/closure actuator 13 with engagement portions 7 a, 7 b of the opening/closing lid 7 .
  • the present digital camera device 1 includes a CCD 21 , as a photographing element, a sample-and-hold/analog-to-digital conversion circuit, abbreviated hereinafter to a sample-and-hold circuit 22 , a camera signal processing circuit 23 , a DRAM 24 and a DRAM controller 25 .
  • the digital camera device 1 also includes a panel signal processing circuit 26 for furnishing RGB signals to the LCD panel 11 , an actuating input unit 27 , a micro-computer 28 , a floppy disc controller or FDC 31 and the floppy disc drive or FDD 32 , already explained with reference to FIG. 2 .
  • the digital camera device 1 also includes a flash memory 29 as an additional constituent element.
  • the DRAM 24 , DRAM controller 25 , micro-computer 28 , flash memory 29 and the FDC 31 are interconnected over a common bus.
  • the digital camera device 1 In the digital camera device 1 , light rays from an object are passed through the objective lens 4 and received by the CCD 21 so as to be thereby converted into electrical signals. An output signal from the CCD 21 is sample-held by the sample-and-hold circuit 22 and subsequently converted by A/D conversion into 10-bit digital signals. The converted 10-bit signals are sent to the camera signal processing circuit 23 .
  • the camera signal processing circuit 23 processes the 10-bit digital signals supplied from the sample-and-hold circuit 22 in a pre-set manner to output the processed signals to the DRAM controller 25 .
  • the camera signal processing circuit 23 in the present embodiment generates 8-bit luminance signals Y and 4-bit chroma signals C from the input signal to output the signals Y and C to the DRAM controller 25 .
  • the DRAM controller 25 directly sends the luminance signals Y and the chroma signals C from the camera signal processing circuit 23 to the panel signal processing circuit 26 . If the CCD 21 is not of the tetragonal lattice structure, the camera signal processing circuit 23 forms the luminance signals Y and the chroma signals C into the signals of the tetragonal lattice structure to send the resulting signals to the panel signal processing circuit 26 , which then generates red signals R, green signals G and blue signals B from the input luminance signals Y and chroma signals C to output the R, G and B signals to the LCD panel 11 . This displays an image of the photographing object on the LCD panel 11 .
  • the DRAM controller 25 also causes the luminance signals Y and the chroma signals C from the camera signal processing circuit 23 in pre-set areas of the DRAM 24 under control from the camera signal processing circuit 23 .
  • the DRAM 24 is made up of two 4 MB DRAMs, and thus has a storage area of 8 MBs.
  • the actuating input unit 27 detects the actuation contents of the shutter button 3 and the actuating buttons/switches 12 a to 12 g to output the detected signals as actuating signals to the micro-computer 28 .
  • the micro-computer 28 is of the reduced instruction set computer RISC type capable of high-speed processing, and includes a read-only memory (ROM) 28 a holding on memory the software program designed for controlling the respective blocks.
  • the micro-computer 28 is responsive to actuating signals from the actuating input unit 27 to cause the software program in the ROM 28 a to be executed to perform the processing such as picture compansion or file management during the photographing, reproduction and editing.
  • the micro-computer 28 causes the luminance signals Y and the chroma signals C to be stored during photographing of an object in a pre-set area of the DRAM 24 from the DRAM controller 25 in order to compress the stored luminance signals Y and chroma signals C in accordance with the JPEG (Joint Photographic Coding Experts Group) system.
  • the micro-computer 28 also causes the data compressed in accordance with the JPEG system to be written in an area different from the above-described area of the DRAM 24 as JPEG stream data.
  • the micro-computer 28 also causes JPEG stream data to be read out from the DRAM 24 to convert the JPEG stream data into MOS-DOS (Microsoft Disc Operating System, a trademark owned by Microsoft Inc.) format data to supply the converted data to the FDC 31 .
  • the micro-computer 28 controls the FDC 31 in order to write the data converted into the MS-DOS format data on a magnetic disc 9 of the floppy disc cartridge 8 loaded on the floppy disc drive 32 .
  • the flash memory 29 is used for storage of the version-up program in case of version-up of the function of the digital camera device 1 , and represents an additional constituent element in the present embodiment.
  • the digital camera device 1 includes an acceleration sensor 33 for detecting the impact from outside, an amplification circuit 34 for amplifying an output signal from the acceleration sensor 33 and a flip-flop 35 for setting an output signal from the amplification circuit 34 , as shown in FIG. 4 .
  • the acceleration sensor 33 outputs a detection signal in case of detection of an impact exceeding a pre-set G-value in a manner as will be explained in detail subsequently.
  • An output of the flip-flop 35 is supplied not only to the micro-computer 28 but also to the floppy disc drive 32 via one of input terminals of an AND gate 36 .
  • the micro-computer 28 also outputs a reset signal to the flip-flop 35 .
  • the AND gate 36 has its opposite side input terminal connected to an output side of the FDC 31 for control signals and has its output terminal connected to the floppy disc drive 32 so as to perform the function as a gate (W gate) for issuing a permit/non-permit command for the recording operation by the floppy disc drive 32 , as shown in FIG. 4 .
  • the acceleration sensor 33 will be explained in detail subsequently.
  • the casing 2 of the digital camera device 1 can be exploded into a front side half 2 a and a rear side half 2 b.
  • a circuit substrate 41 , a chassis 42 and the floppy disc drive 32 are arranged in these front and rear side halves 2 a and 2 b as explained with reference to FIG. 3 .
  • the circuit substrate 41 , chassis 42 and the floppy disc drive 32 are in the form of substantially co-extensive rectangles and arranged in the inside of the casing 2 so that the rectangles overlap with one another.
  • the circuit substrate 41 has its four corners secured by plural set screws 43 on one of the major surfaces of the chassis 42 facing the front side half 2 a, as shown in FIG. 5 .
  • the floppy disc drive 32 is mounted via four buffer members 45 , 46 , 47 and 48 for facing the opposite side major surface of the chassis 42 facing the rear side half 2 b.
  • the chassis 42 carrying the circuit substrate 41 and the floppy disc drive 32 , is secured to the front side half 2 a of the casing 2 by set screws 44 from the upper side and from the lateral side by set screws, not shown.
  • the circuit substrate 41 is substantially rectangular in shape in its entirety and has a variety of chips, such as LSIs, operating as blocks of the circuit shown in FIGS. 3 and 4.
  • the acceleration sensor 33 On the major surface 41 a of the circuit substrate 41 facing the rear side half 2 b is mounted the acceleration sensor 33 having a substantially rectangular profile, as shown in FIG. 6, the acceleration sensor 33 is as explained with reference to FIG. 4 .
  • the acceleration sensor 33 is mounted at an approximately lower rightward side of the major surface 41 a of the circuit substrate 41 so that the long side of a substantially rectangular casing 61 is at an angle of approximately 45° relative to a lower side 41 b of the circuit substrate 41 , as shown in FIG. 6 .
  • the acceleration sensor 33 will be explained further in detail subsequently.
  • the chassis 42 is molded from metal, such as stainless steel, and has its major surface 42 a recessed significantly.
  • An upper flange 42 b, a lower flange 42 c and a side flange 42 d are formed from the upper edge, lower edge and the right-side edge (FIG. 5) of the major surface 42 a of the chassis 42 , respectively, in a direction facing the rear side half 2 b.
  • the floppy disc drive 32 is of a thin type f a so-called 1 ⁇ 2 height having a casing 32 of metal.
  • This floppy disc drive 32 is mounted on the chassis 42 by set screws via the four buffer members 45 , 46 , 47 and 48 .
  • the upper flange 42 b and the lower flange 42 c of the chassis 42 and the buffer members 45 to 48 are provided with bores adapted to be passed through by set screws 49 to 52 .
  • These set screws 49 to 52 are passed through these bores and screwed into tapped holes formed in the corresponding positions of the floppy disc drive 32 for securing the floppy disc drive 32 to the chassis 42 .
  • the casing 32 b of the floppy disc drive 32 is not directly contacted with the major surface 42 a of the chassis 42 , such that the vibrations or impacts applied to the chassis 42 are transmitted via the buffer members 45 to 48 to the floppy disc drive 32 .
  • the vibrations or impacts applied to the chassis 42 are directly transmitted to the circuit substrate 41 .
  • the buffer members 45 to 48 function to delay the time which elapses until the impact applied to the casing 2 from outside is transmitted to the floppy disc drive 32 , and are formed of a relatively soft material, such as rubber, sponge, silicon or soft plastics.
  • the buffer members 45 to 48 also function to weaken the impact applied to the casing 2 to some extent to transmit the thus weakened impact to the floppy disc drive 32 .
  • the floppy disc drive 32 and the casing 2 are interconnected via the chassis 42 .
  • the floppy disc drive 32 and the casing 2 may also be interconnected without interposition of the chassis 42 .
  • the casing 2 is provided with bores for traversing by the set screws 49 to 52 and the floppy disc drive 32 is mounted on the casing via the buffer members 45 to 48 by inserting the set screws 49 to 52 into these bores.
  • an impact detection plate 62 for detecting the impact is arranged in the inside of the casing 61 of the acceleration sensor 33 .
  • This impact detection plate 62 is substantially rectangular in profile in its entirety.
  • the impact detection plate 62 is formed as a thin girder by two piezoelectric ceramic plates 62 a, 62 b having electrodes at mid positions on its major surface, as shown in FIG. 9 .
  • the impact detection plate 62 has its longitudinal ends secured within the casing 61 and has the mid portions of the major surface thereof movable within the casing 61 .
  • this impact detection plate 62 is warped arcuately to issue a signal proportionate to the intensity of the applied impact.
  • This impact detection plate 62 is arranged in the inside of the casing 61 so that its long sides are parallel to the long side of the casing 61 and so that its both major surfaces are inclined at an angle of 45° to the bottom surface 63 of the casing 61 , as shown in FIG. 8 .
  • the bottom surface 63 represents the attachment surface to the circuit substrate 41 .
  • FIG. 10 shows the mechanism around a magnetic head arranged in a casing 32 b of the floppy disc drive 32 .
  • a head actuator 70 within the casing 32 b of the floppy disc drive 32 is mounted a head actuator 70 , as shown in FIG. 10 A.
  • This head actuator 70 includes a head arm 73 formed as-one with upper and lower arm members 71 , 72 , upper and lower magnetic heads 74 ( 74 a, 74 b ) mounted on the distal ends of the arm members 71 , 72 , a feed motor 75 for moving the head arm 73 and a feed screw 76 mounted on a rotor of the feed motor 75 .
  • the head actuator 70 also includes a pin 77 mounted on the distal end of the arm member 73 for engagement with a spiral groove 76 a formed in the feed screw 76 and a guide shaft 79 mounted in a through-hole 78 formed in the arm member 72 for guiding the movement of the head arm 73 .
  • the arm members 71 , 72 are molded from, for example, synthetic resin, and has upper and lower paired magnetic heads 74 , 74 at the distal ends thereof, these magnetic heads being positioned on both sides of the major surfaces of the magnetic disc 9 , as shown in FIG. 10 B.
  • a spindle motor for rotationally driving the magnetic disc 9 is mounted below the mid position of the major surface of the magnetic disc 9 .
  • the magnetic head 74 is slid against the major surface of the magnetic disc 9 , run in rotation by the spindle motor, for applying a magnetic field on the recording track of the magnetic disc or detecting magnetic signals recorded on the recording track of the magnetic disc in order to record or reproduce main picture data or thumbnail picture data.
  • the head arm 73 of the head actuator 70 is reciprocated along a guide shaft 79 in the radial direction of the guide shaft 79 , that is in the direction indicated by arrow in FIGS. 10A and 10B. Specifically, when the feed motor 75 is rotated a pre-set rotational angle, the head arm 73 is moved track-by-track on the recording tracks formed on the magnetic disc 9 . If a strong impact is applied to the floppy disc drive 32 in its entirety, the casing 32 b or the head arm 73 is flexed to cause position offset of the magnetic heads 74 a, 74 b relative to the recording track of the magnetic disc 9 , or failure in contact, thus causing erosion of neighboring tracks during data recording or otherwise causing failure in writing on the current track.
  • the G-value of occurrence of writing errors for the current recording tracks is 3 G to 12 G, with the G-value of occurrence of the erosion to the neighboring tracks being not less than 50 G. It is therefore reasonable to select the setting value for impact detection of the acceleration sensor 33 to not less than approximately 50 G for preventing erosion to the neighboring tracks and to select the setting value for impact detection of the acceleration sensor 33 to a suitable value ranging between 3 and 12 G for preventing error occurrence for the current track as well. It has been found by experiments that an optimum result can be obtained with the present digital camera device 1 by selecting the setting value for impact detection of the acceleration sensor 33 to 7 G to 8 G, in particular to approximately 8 G.
  • the track number and the sector number on the magnetic disc 9 for recording are set by the micro-computer 28 shown in FIG. 4 prior to proceeding to recording respective data.
  • the track number is herein set to n.
  • the micro-computer 8 then controls the FDC 31 to move the magnetic head 74 to the track and sector positions by way of the seek operation.
  • the micro-computer 28 outputs a reset signal to the flip-flop 35 to reset the output of the flip-flop 35 , at the same time as a control signals is outputted from the FDC 31 to invert the output signal of the AND gate 36 to permit the data recording in the FDD 32 .
  • recording data is supplied from the FDC 31 to the floppy disc drive 32 to supply the recording current to the magnetic head 74 so that recording data is written on pre-set sectors of the track n as from time t 1 .
  • the time between t 0 and t 1 stands for the rise time until coming into operation of the floppy disc drive 32 .
  • this impact is sequentially transmitted from the casing 2 via chassis 42 , circuit substrate 41 and the acceleration sensor 33 , which then outputs an impact detection signal.
  • This detection signal from the acceleration sensor 33 is amplified by the amplification circuit 34 and thence supplied to the flip-flop 35 to invert the output thereof.
  • the inverted output signal of the flip-flop 35 is sent to the micro-computer 28 and to the AND gate 36 .
  • the control current ceases to be supplied as from time t 2 to the recording head 74 of the floppy disc drive 32 .
  • this impact is transmitted at a timing delayed from the transmission timing to the acceleration sensor 33 , herein a pre-set timing delayed from time t 2 . Since no recording current is supplied at this timing to the magnetic head 74 of the floppy disc drive 32 , it becomes possible to prevent erosion to neighboring tracks or failure in writing in the current track even on occurrence of detracking of the magnetic head 74 by impacts.
  • the impact applied to the acceleration sensor 33 can be relatively quickened thus compensating for the time delay required for interrupting the recording current.
  • the speed at which the impact is transmitted to the magnetic head 74 of the floppy disc drive 32 is increased significantly, such that the recording current interruption after detection of the acceleration sensor 33 cannot be achieved in time.
  • the time until the impact applied to the casing 2 is transmitted to the floppy disc drive 32 is 11 msec ⁇ 5 msec.
  • the micro-computer 28 If an output signal of the flip-flip 35 , complemented on occurrence of the impact, is fed to the micro-computer 28 at time t 2 , the micro-computer 28 outputs a control signal to the FDC 31 to move the magnetic head 74 to an original track of the track n by way of re-seeking control.
  • a reset signal is outputted to the flip-flop 35 .
  • the output signal of the flip-flop 35 is complemented at time t 4 corresponding to the decay time of the reset signal, this complemented signal being sent to the micro-computer 28 and to the AND gate 36 .
  • the output signal of the AND gate 36 is complemented at this time t 4 to open the gate to permit data recording by the floppy disc drive 32 .
  • the micro-computer 28 then controls the FDC 31 to supply the recording data from the FDC 31 to the floppy disc drive 32 , with the recording data as from the recording start time t 1 as the re-trial data.
  • This furnishes the recording current for the re-trial data to the recording head 74 of the floppy disc drive 32 as from time t 5 , as shown in FIG. 11, thus causing the recording data to be written as from the preset sector of the track n.
  • the time interval since time t 4 until time t 5 is the rise time until actuation of the floppy disc drive 32 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
US09/090,289 1997-06-09 1998-06-04 Data recording apparatus and camera apparatus Expired - Fee Related US6404981B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9-151302 1997-06-09
JP9151302A JPH10340522A (ja) 1997-06-09 1997-06-09 データ記録装置及びカメラ装置

Publications (1)

Publication Number Publication Date
US6404981B1 true US6404981B1 (en) 2002-06-11

Family

ID=15515714

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/090,289 Expired - Fee Related US6404981B1 (en) 1997-06-09 1998-06-04 Data recording apparatus and camera apparatus

Country Status (3)

Country Link
US (1) US6404981B1 (enExample)
JP (1) JPH10340522A (enExample)
KR (1) KR19990006777A (enExample)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010017664A1 (en) * 2000-02-28 2001-08-30 Takeshi Misawa Image-capturing apparatus
US20020003961A1 (en) * 2000-05-25 2002-01-10 Toshinobu Yamaguchi Image-capture apparatus including light-guiding element having inclined surface
US20040032687A1 (en) * 2002-08-13 2004-02-19 Ng Hwa Liang Head-slap detection for a data storage device
US6710805B1 (en) * 2000-01-26 2004-03-23 Hewlett-Packard Development Company, L.P. Simplified user interface for digital camera
US6714724B1 (en) * 1999-08-05 2004-03-30 Bradley Steven Cook Portable device for capturing image and sound data including compact memory and board arrangement
US6728476B1 (en) 1997-06-09 2004-04-27 Sony Corporation Apparatus and method for thumbnail picture data readout
US6738092B1 (en) 1997-06-09 2004-05-18 Sony Corporation Camera apparatus and method for associating digital picture files with thumbnail images
US20040212727A1 (en) * 2003-04-23 2004-10-28 Canon Kabushiki Kaisha Image pickup apparatus having compact, light weight, rigid internal chassis
USD500774S1 (en) * 2003-08-28 2005-01-11 Victor Yuan Digital camera
US20060092319A1 (en) * 2004-10-18 2006-05-04 Matsushita Electric Industrial Co., Ltd. Image pickup apparatus
US20060098976A1 (en) * 2004-11-08 2006-05-11 Nobutatsu Takahashi Camera apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020097386A (ko) * 2001-06-20 2002-12-31 삼성전자 주식회사 휴대용 기기의 데이터 보호장치 및 데이터 보호방법
KR101486774B1 (ko) * 2008-07-17 2015-02-04 삼성전자주식회사 디지털 촬영 장치의 오동작 방지 방법

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040103A (en) * 1976-02-05 1977-08-02 Sperry Rand Corporation Shock force compensating system
US4862298A (en) * 1988-03-11 1989-08-29 Magnetic Peripherals Inc. Shock load detection device
US5138459A (en) * 1990-11-20 1992-08-11 Personal Computer Cameras, Inc. Electronic still video camera with direct personal computer (pc) compatible digital format output
US5227929A (en) * 1990-11-26 1993-07-13 International Business Machines Corporation Portable computer hard disk protective reflex system
US5235472A (en) * 1991-10-18 1993-08-10 Seagate Technology, Inc. Apparatus for sensing operating shock on a disk drive
US5956194A (en) * 1994-09-16 1999-09-21 Kabushiki Kaisha Toshiba Data storage apparatus
US5982573A (en) * 1993-12-15 1999-11-09 Hewlett-Packard Company Disk drive and method for minimizing shock-induced damage

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040103A (en) * 1976-02-05 1977-08-02 Sperry Rand Corporation Shock force compensating system
US4862298A (en) * 1988-03-11 1989-08-29 Magnetic Peripherals Inc. Shock load detection device
US5138459A (en) * 1990-11-20 1992-08-11 Personal Computer Cameras, Inc. Electronic still video camera with direct personal computer (pc) compatible digital format output
US5227929A (en) * 1990-11-26 1993-07-13 International Business Machines Corporation Portable computer hard disk protective reflex system
US5235472A (en) * 1991-10-18 1993-08-10 Seagate Technology, Inc. Apparatus for sensing operating shock on a disk drive
US5982573A (en) * 1993-12-15 1999-11-09 Hewlett-Packard Company Disk drive and method for minimizing shock-induced damage
US5956194A (en) * 1994-09-16 1999-09-21 Kabushiki Kaisha Toshiba Data storage apparatus

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6738092B1 (en) 1997-06-09 2004-05-18 Sony Corporation Camera apparatus and method for associating digital picture files with thumbnail images
US6728476B1 (en) 1997-06-09 2004-04-27 Sony Corporation Apparatus and method for thumbnail picture data readout
US6714724B1 (en) * 1999-08-05 2004-03-30 Bradley Steven Cook Portable device for capturing image and sound data including compact memory and board arrangement
US6710805B1 (en) * 2000-01-26 2004-03-23 Hewlett-Packard Development Company, L.P. Simplified user interface for digital camera
US7057661B2 (en) * 2000-02-28 2006-06-06 Fuji Photo Film Co., Ltd. Image-capturing apparatus with receptacle and lid
US20010017664A1 (en) * 2000-02-28 2001-08-30 Takeshi Misawa Image-capturing apparatus
US20020003961A1 (en) * 2000-05-25 2002-01-10 Toshinobu Yamaguchi Image-capture apparatus including light-guiding element having inclined surface
US6992724B2 (en) * 2000-05-25 2006-01-31 Canon Kabushiki Kaisha Image-capture apparatus including light-guiding element having inclined surface
US20060044443A1 (en) * 2000-05-25 2006-03-02 Canon Kabushiki Kaisha Image-capture apparatus including light-guiding element having inclined surface
US7570302B2 (en) 2000-05-25 2009-08-04 Canon Kabushiki Kaisha Image-capture apparatus including light-guiding element having inclined surface
US20040032687A1 (en) * 2002-08-13 2004-02-19 Ng Hwa Liang Head-slap detection for a data storage device
US20040212727A1 (en) * 2003-04-23 2004-10-28 Canon Kabushiki Kaisha Image pickup apparatus having compact, light weight, rigid internal chassis
US7623180B2 (en) * 2003-04-23 2009-11-24 Canon Kabushiki Kaisha Image pickup apparatus having compact, light weight, rigid internal chassis
USD500774S1 (en) * 2003-08-28 2005-01-11 Victor Yuan Digital camera
US20060092319A1 (en) * 2004-10-18 2006-05-04 Matsushita Electric Industrial Co., Ltd. Image pickup apparatus
EP1655956A3 (en) * 2004-11-08 2006-08-16 Sony Corporation Camera apparatus
US7519292B2 (en) * 2004-11-08 2009-04-14 Sony Corporation Camera apparatus
US20060098976A1 (en) * 2004-11-08 2006-05-11 Nobutatsu Takahashi Camera apparatus

Also Published As

Publication number Publication date
JPH10340522A (ja) 1998-12-22
KR19990006777A (ko) 1999-01-25

Similar Documents

Publication Publication Date Title
US6404981B1 (en) Data recording apparatus and camera apparatus
US6738092B1 (en) Camera apparatus and method for associating digital picture files with thumbnail images
US6480353B1 (en) Fixed disc drive cartridge and playback device
JPH053073B2 (enExample)
KR100510450B1 (ko) 복수의 하드디스크 어셈블리를 구비한 하드디스크 드라이브
JPH06333325A (ja) ディスク装置
JPH0572664B2 (enExample)
US5282093A (en) Copy timing control circuit for double-deck video cassette recorder
US6262412B1 (en) Optical pick-up position detector having a motor with a controlled driving voltage
JPS62229531A (ja) 光学式情報記録再生装置
EP1801796A1 (en) Optical disk recording/reproducing device and its driving method
JPH06180936A (ja) 情報検出装置
JPS60115017A (ja) 磁気記録再生装置
KR200287293Y1 (ko) 신편집기능 채용 디지털비디오카세트 레코더
JPH03113784A (ja) ディスク駆動装置
JPS63261568A (ja) 磁気記録再生装置の自動トラツキング装置
JPS63124278A (ja) 電子スチルカメラにおける記録方式
JPS62281126A (ja) 多層光デイスク装置
JPH0574890B2 (enExample)
JP2006345544A (ja) データ記録装置及びデータ記録方法
JP2007193937A (ja) 撮像装置及び撮像方法
JP2007318783A (ja) 撮像装置及び撮像方法
JPH01279411A (ja) 磁気記録再生装置
JPH0397025A (ja) 記録媒体交換装置
JPH0444644A (ja) 光ピックアップ装置

Legal Events

Date Code Title Description
AS Assignment

Owner name: SONY CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KUMAGAI, ATSUHIRO;KATO, SATOSHI;REEL/FRAME:009382/0339;SIGNING DATES FROM 19980730 TO 19980731

CC Certificate of correction
FEPP Fee payment procedure

Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

FPAY Fee payment

Year of fee payment: 4

REMI Maintenance fee reminder mailed
LAPS Lapse for failure to pay maintenance fees
STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Lapsed due to failure to pay maintenance fee

Effective date: 20100611